1-Butyl-1-methylpyrrolidinium hydrogen sulfate-promoted preparation of 1,5-diaryl-3-(arylamino)-1H-pyrrol-2(5H)-one derivatives
作者:Majid Ghashang
DOI:10.1007/s11164-012-0749-9
日期:2013.5
A convenient preparative approach for synthesis of various 1,5-diaryl-3-(arylamino)-1H-pyrrol-2(5H)-ones promoted by 1-butyl-1-methylpyrrolidinium hydrogen sulfate is developed which involves cyclocondensation of aldehydes with amines and ethyl pyruvate under ambient conditions. A convenient preparative approach for synthesis of various 1,5-diaryl-3-(arylamino)-1H-pyrrol-2(5H)-ones promoted by 1-butyl-1-methylpyrrolidinium hydrogen sulfate is developed which involves cyclocondensation of aldehydes with amines and ethyl pyruvate under ambient conditions.
开发了一种便捷的制备方法,用于合成各种1,5-二芳基-3-(芳基氨基)-1H-吡咯-2(5H)-酮,这一方法由1-丁基-1-甲基吡咯烷铵氢磺酸促进,涉及醛与胺和乙基丙酮在常温条件下的环缩合反应。